CN115217852A - Disconnected free end bearing seat - Google Patents
Disconnected free end bearing seat Download PDFInfo
- Publication number
- CN115217852A CN115217852A CN202210859023.2A CN202210859023A CN115217852A CN 115217852 A CN115217852 A CN 115217852A CN 202210859023 A CN202210859023 A CN 202210859023A CN 115217852 A CN115217852 A CN 115217852A
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- CN
- China
- Prior art keywords
- shell
- floating
- fixed
- bearing
- end cover
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
- F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
- F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
- F16C35/061—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing mounting a plurality of bearings side by side
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N1/00—Constructional modifications of parts of machines or apparatus for the purpose of lubrication
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sliding-Contact Bearings (AREA)
- Support Of The Bearing (AREA)
Abstract
The invention relates to a disconnected free end bearing seat, which comprises a fixed end cover, a fixed shell, a bearing, a shaft spacer bush, a floating shell, a sealing end cover and a locking nut, wherein the fixed end cover is arranged on the fixed shell; the fixed shell and the floating shell are fixedly connected, oil inlets are formed in the fixed shell and the floating shell, bearings are arranged in the fixed shell and the floating shell, the mandrel penetrates through the bearings in the fixed shell and the floating shell and is fixedly connected with the inner rings of the two bearings, and a shaft spacer sleeve is arranged outside the mandrel between the two bearings; one end of the mandrel, which is positioned in the fixed shell, is sleeved with a fixed end cover, and the fixed end cover is tightly attached to one end of the bearing in the fixed shell and is fixedly connected with the fixed shell; the end cover that the dabber is located floating housing has the lock nut, the lock nut hugs closely bearing one end in the floating housing, still be equipped with end cover between floating housing and the lock nut, this technical scheme has improved the bearing capacity and the life of bearing frame.
Description
Technical Field
The invention relates to the technical field of bearing seats, in particular to a disconnected free-end bearing seat.
Background
The bearing block is a device which is usually fixed by a shell through bearings at two ends and rotates a shaft, and is applied to a transition link for bearing impact and vibration in transmission. After the bearing seat is operated for a long time, heat generation and bearing damage can occur, and the structure has the greatest influence on the durability under the external conditions such as the same processing condition, assembly condition and the like. The prior art devices have the following problems: the two fixed ends of the existing bearing seat are respectively provided with a fixed axis, the two axes at the two ends are not coaxial due to machining errors, assembly errors and the like, and in the using process of the bearing seat, the bearings at the two ends rotate along the respective axes, so that the bearings at the two ends are mutually interfered, a pair of radial forces with opposite directions are formed inside the bearing seat, the heat and vibration inside the bearing seat are caused, the early abrasion of the bearing is caused, and the service life of the bearing seat is influenced; bearing center lines of two fixed ends of the existing bearing pedestal are not on the same straight line, so that the bearing position is deviated in the long-term use process, and the bearing outer ring often rotates in a shell and other failure phenomena are caused; the high-rotating-speed bearing seat needs high machining precision, and two rotating axes at the bearing positions at two ends are guaranteed not to deviate by means of the machining precision.
Disclosure of Invention
Therefore, the technical problem to be solved by the present invention is to overcome the defects of low reliability and short fatigue life of the bearing seat in the prior art, thereby providing a disconnected free end bearing seat.
A disconnected free end bearing seat comprises a fixed end cover, a fixed shell, a bearing, a shaft spacer bush, a floating shell and a sealing end cover;
the fixed shell and the floating shell are fixedly connected, oil inlets are formed in the fixed shell and the floating shell, bearings are arranged in the fixed shell and the floating shell, the mandrel penetrates through the bearings in the fixed shell and the floating shell and is fixedly connected with the inner rings of the two bearings, and a shaft spacer sleeve is arranged outside the mandrel between the two bearings;
one end of the mandrel, which is positioned in the fixed shell, is sleeved with a fixed end cover, and the fixed end cover is tightly attached to one end of the bearing in the fixed shell and is fixedly connected with the fixed shell;
and a locking nut is sleeved at one end of the mandrel, which is positioned on the floating shell, and is tightly attached to one end of the bearing in the floating shell, and a sealing end cover is also arranged between the floating shell and the locking nut.
Further, two bearings are arranged in the fixed shell and the floating shell.
Further, an inner ring barrier and an outer ring barrier are arranged between the two bearings.
Furthermore, oil injection nozzles are arranged in oil inlets on the fixed shell and the floating shell.
Further, the floating shell is a circular boss.
Furthermore, the fixed end cover is of a cylindrical structure, the convex surface of the floating shell is positioned in the fixed end cover, and the bottom surface of the fixed end cover is fixedly connected with the table board of the floating shell.
Furthermore, the bottom surface of the fixed end cover and the table top of the floating shell are both provided with threaded holes, and the bottom surface of the fixed end cover and the table top of the floating shell are fixedly connected through a connecting bolt.
Furthermore, the threaded holes in the bottom surface of the fixed end cover and the threaded holes in the table top of the floating shell are all provided with a plurality of threaded holes which are uniformly distributed in the bottom surface of the fixed end cover and the table top of the floating shell.
Furthermore, threaded holes are formed in the fixed end cover and the fixed shell, and the fixed end cover and the fixed shell are fixedly connected through a connecting bolt.
An automobile comprising a breakaway free end bearing block as claimed in any one of the above.
The disconnected free-end bearing seat provided by the invention can enable the bearing seat with common processing precision grade to reach a higher precision grade by adjusting the effective approach of the axis of the bearing at one end of the self-floating shell and the axis delta phi at one end of the fixed shell, thereby reducing the unbalance amount, reducing the vibration, achieving high rotating speed, improving the bearing capacity and prolonging the service life.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the free end of FIG. 1;
description of reference numerals:
1. a mandrel; 2. Fixing the end cover; 3. A fixed housing;
4. an oil injection nozzle; 5. An outer ring is used for blocking; 6. A bearing;
7. a shaft spacer sleeve; 8. Inner ring blocking; 9. A floating housing;
10. sealing the end cap; 11. Locking the nut; 12. A connecting bolt;
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
Furthermore, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Referring to fig. 1 and 2, a disconnected free end bearing seat is characterized by comprising a fixed end cover 2, a fixed shell 3, a bearing 6, a shaft spacer 7, a floating shell 9, a sealing end cover 10 and a locking nut 11;
the fixed shell 3 is fixedly connected with the floating shell 9, and in the connection process, the floating shell 9 can be manually adjusted in two directions Y, Z relative to the fixed shell 3; the fixed shell 3 and the floating shell 9 are both provided with oil inlets, bearings 6 are arranged in the fixed shell 3 and the floating shell 9, the mandrel 1 penetrates through the bearings 6 in the fixed shell 3 and the floating shell 9 and is fixedly connected with inner rings of the two bearings 6, a shaft spacer 7 is arranged outside the mandrel 1 between the two bearings 6, and an outer ring of the bearing 6 can axially move in the floating shell 9 along the X-axis direction, so that the axis of the bearing at one end of the floating shell 9 can move in the X, Y and Z directions relative to the axis of one end of the fixed shell 3, the coaxiality delta phi of the axes at the two ends is effectively close to each other and is adjusted to meet the use standard and then is fixedly connected;
a fixed end cover 2 is sleeved at one end of the mandrel 1, which is positioned in the fixed shell 3, and the fixed end cover 2 is tightly attached to one end of a bearing 6 in the fixed shell 3 and is fixedly connected with the fixed shell 3;
one end of the mandrel 1, which is positioned on the floating shell 9, is sleeved with a locking nut 11, the locking nut 11 is tightly attached to one end of the bearing 6 in the floating shell 9, and a sealing end cover 10 is further arranged between the floating shell 9 and the locking nut 11.
Two bearings 6 are arranged in the fixed shell 3 and the floating shell 9.
An inner ring baffle 8 and an outer ring baffle 5 are arranged between the two bearings 6, the inner ring baffle 8 separates the inner rings of the two bearings 6, and the outer ring baffle 5 separates the outer rings of the two bearings 6.
And oil injection nozzles 4 are arranged in oil inlets on the fixed shell 3 and the floating shell 9.
The floating shell 9 is a circular boss.
The fixed end cover 2 is of a cylindrical structure, the convex surface of the floating shell 9 is positioned in the fixed end cover 2, and the bottom surface of the fixed end cover 2 is fixedly connected with the table board of the floating shell 9.
The bottom surface of the fixed end cover 2 and the table top of the floating shell 9 are both provided with threaded holes, and the bottom surface of the fixed end cover 2 and the table top of the floating shell 9 are fixedly connected through a connecting bolt 12.
The threaded hole of the bottom surface of the fixed end cover 2 and the threaded hole of the table top of the floating shell 9 are both provided with a plurality of threaded holes which are uniformly distributed on the bottom surface of the fixed end cover 2 and the table top of the floating shell 9.
The fixed end cover 2 and the fixed shell 3 are both provided with threaded holes, and the fixed end cover 2 and the fixed shell 3 are fixedly connected through a connecting bolt 12.
The bearing seat with the common machining precision grade can reach a higher precision grade by effectively approaching the axis of the bearing at one end of the floating shell 9 and the axis delta phi at one end of the fixed shell 3 through adjustment, so that the unbalance amount is reduced, the vibration is reduced, the high rotating speed is reached, the bearing capacity is improved, and the service life is prolonged.
The invention also includes a vehicle comprising a breakaway free end bearing housing as described in any one of the above.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (10)
1. A disconnected free-end bearing seat is characterized by comprising a fixed end cover (2), a fixed shell (3), a bearing (6), a shaft spacer bush (7), a floating shell (9), a sealing end cover (10) and a locking nut (11);
the fixed shell (3) is fixedly connected with the floating shell (9), oil inlets are formed in the fixed shell (3) and the floating shell (9), bearings (6) are arranged in the fixed shell (3) and the floating shell (9), the mandrel (1) penetrates through the bearings (6) in the fixed shell (3) and the floating shell (9) and is fixedly connected with inner rings of the two bearings (6), and a shaft spacer sleeve (7) is arranged outside the mandrel (1) between the two bearings (6);
a fixed end cover (2) is sleeved at one end, located on the fixed shell (3), of the mandrel (1), and the fixed end cover (2) is tightly attached to one end of a bearing (6) in the fixed shell (3) and is fixedly connected with the fixed shell (3);
the floating bearing is characterized in that a locking nut (11) is sleeved at one end, located on the floating shell (9), of the mandrel (1), the locking nut (11) is tightly attached to one end of a bearing (6) in the floating shell (9), and a sealing end cover (10) is further arranged between the floating shell (9) and the locking nut (11).
2. A bearing housing according to claim 1, characterized in that two bearings (6) are provided in both the stationary housing (3) and the floating housing (9).
3. A bearing housing according to claim 2, characterized in that an inner ring barrier (8) and an outer ring barrier (5) are provided between both bearings (6).
4. A bearing housing according to claim 1, characterized in that the oil inlets on both the stationary housing (3) and the floating housing (9) are provided with oil nozzles (4).
5. A bearing housing according to claim 1, characterized in that the floating shell (9) is a circular boss.
6. A bearing housing according to claim 5, characterized in that the fixed end cap (2) is a cylindrical structure, the convex surface of the floating housing (9) is located in the fixed end cap (2), and the bottom surface of the fixed end cap (2) is fixedly connected with the table top of the floating housing (9).
7. A bearing support according to claim 6, characterized in that the bottom surface of the fixed end cover (2) and the top surface of the floating shell (9) are provided with threaded holes, and the bottom surface of the fixed end cover (2) and the top surface of the floating shell (9) are fixedly connected through connecting bolts (12).
8. A bearing housing according to claim 7, characterized in that the threaded holes in the bottom surface of the fixed end cap (2) and the threaded holes in the top surface of the floating housing (9) are provided in plurality and are evenly distributed in the bottom surface of the fixed end cap (2) and the top surface of the floating housing (9).
9. The bearing support according to claim 1, characterized in that the fixed end cover (2) and the fixed shell (3) are provided with threaded holes, and the fixed end cover (2) and the fixed shell (3) are fixedly connected through a connecting bolt (12).
10. An automobile, characterized in that it comprises a breakaway free end bearing block as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210859023.2A CN115217852A (en) | 2022-07-21 | 2022-07-21 | Disconnected free end bearing seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210859023.2A CN115217852A (en) | 2022-07-21 | 2022-07-21 | Disconnected free end bearing seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115217852A true CN115217852A (en) | 2022-10-21 |
Family
ID=83614711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210859023.2A Pending CN115217852A (en) | 2022-07-21 | 2022-07-21 | Disconnected free end bearing seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115217852A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5913125A (en) * | 1982-07-13 | 1984-01-23 | Michio Yoshikawa | Fluid buoy-up bearing |
| US4958941A (en) * | 1989-03-06 | 1990-09-25 | Nippon Seiko Kabushiki Kaisha | Support unit |
| CN209164404U (en) * | 2018-09-30 | 2019-07-26 | 吉孚传动技术(天津)有限公司 | A kind of bearing block for automobile gearbox testboard bay |
| CN212121675U (en) * | 2020-04-08 | 2020-12-11 | 泉州市盛誉机械设备有限公司 | Anti-channeling high-power main shaft |
| CN214888435U (en) * | 2021-05-26 | 2021-11-26 | 扬州市亚王曲轴厂 | Bearing seat sealing structure |
| CN215058875U (en) * | 2020-12-24 | 2021-12-07 | 江西省希斯传动科技有限公司 | Ball mill bearing with water inlet prevention structure |
-
2022
- 2022-07-21 CN CN202210859023.2A patent/CN115217852A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5913125A (en) * | 1982-07-13 | 1984-01-23 | Michio Yoshikawa | Fluid buoy-up bearing |
| US4958941A (en) * | 1989-03-06 | 1990-09-25 | Nippon Seiko Kabushiki Kaisha | Support unit |
| CN209164404U (en) * | 2018-09-30 | 2019-07-26 | 吉孚传动技术(天津)有限公司 | A kind of bearing block for automobile gearbox testboard bay |
| CN212121675U (en) * | 2020-04-08 | 2020-12-11 | 泉州市盛誉机械设备有限公司 | Anti-channeling high-power main shaft |
| CN215058875U (en) * | 2020-12-24 | 2021-12-07 | 江西省希斯传动科技有限公司 | Ball mill bearing with water inlet prevention structure |
| CN214888435U (en) * | 2021-05-26 | 2021-11-26 | 扬州市亚王曲轴厂 | Bearing seat sealing structure |
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